The autopsy report shows Lee-Ann Shannon’s cause of death is drowning. She had some alcohol in her system at the time of death, which Mast said Timothy Shannon attempted to use as a way to prove she may have drowned herself.

However, Mast said there isn’t any reason to believe she had enough alcohol in her system that would have caused her to drown in the tub that night.

Mast didn’t know off-hand what her blood alcohol level was at the time of death, but noted that she “certainly didn’t drink herself to death” or become so intoxicated that she could have drown in the tub accidentally.

In the meantime, Mast said the sheriff’s office police report is still being accumulated and evidence, such as computers from the Shannon home and cellphones, are being reviewed by investigators.

Mast said authorities were aware that the other woman was living in the Shannon home and speculated there may be trouble brewing as they were called to the residence in May 2012 on a “domestic assault” between Timothy Shannon and the woman living there.

Police were called to the home after the woman and Timothy Shannon had some sort of confrontation outside the home, Mast said.

Mast said Lee-Ann Shannon wasn’t there at the time. The other woman was arrested for assault and battery for allegedly hitting Timothy Shannon with her purse.

Mast said it isn’t clear how long the woman lived there or when she moved out of the home.

The details of that relationship are still being pieced together, he said.

Timothy Shannon has been arraigned, being held without bond at the Oceana County Jail. He has retained attorney Doug Springstead to represent him in the case, Mast said.

A memorial service for Lee-Ann Shannon, an early childhood education assistant, was held on Jan. 4. She’s been described as a loving, doting mother to the couple’s 3- and 4-year-old children – a boy and a girl.

Those children are currently being cared for by family members, Mast said.